/*
*  Copyright (C) 1998-2021 by Northwoods Software Corporation. All Rights Reserved.
*/

/*
* This is an extension and not part of the main GoJS library.
* Note that the API for this class may change with any version, even point releases.
* If you intend to use an extension in production, you should copy the code to your own source directory.
* Extensions can be found in the GoJS kit under the extensions or extensionsTS folders.
* See the Extensions intro page (https://gojs.net/latest/intro/extensions.html) for more information.
*/

import * as go from '../release/go.js';
import { ParallelLayout } from './ParallelLayout.js';

export function init() {
  if ((window as any).goSamples) (window as any).goSamples();  // init for these samples -- you don't need to call this

  const $ = go.GraphObject.make;  // for conciseness in defining templates

  const myDiagram =
    $(go.Diagram, 'myDiagramDiv',  // must be the ID or reference to div
      {
        allowCopy: false,    // would need to merge copied nodes and links to
        allowDelete: false,  //   use the single "Split" and "Merge" nodes
        layout: $(ParallelLayout, { layerSpacing: 20, nodeSpacing: 10 })
      });

  // define the Node templates
  myDiagram.nodeTemplate =
    $(go.Node, 'Auto',
      { locationSpot: go.Spot.Center },
      $(go.Shape, 'Rectangle',
        { fill: 'wheat', stroke: null, strokeWidth: 0 }),
      $(go.TextBlock, { margin: 3 },
        new go.Binding('text'))
    );

  myDiagram.nodeTemplateMap.add('Split',
    $(go.Node, 'Auto',
      { locationSpot: go.Spot.Center },
      $(go.Shape, 'Diamond',
        {
          fill: 'deepskyblue', stroke: null, strokeWidth: 0,
          desiredSize: new go.Size(28, 28)
        }),
      $(go.TextBlock,
        new go.Binding('text'))
    ));

  myDiagram.nodeTemplateMap.add('Merge',
    $(go.Node, 'Auto',
      { locationSpot: go.Spot.Center },
      $(go.Shape, 'Circle',
        {
          fill: 'deepskyblue', stroke: null, strokeWidth: 0,
          desiredSize: new go.Size(28, 28)
        }),
      $(go.TextBlock,
        new go.Binding('text'))
    ));

  // define the Link template to be minimal
  myDiagram.linkTemplate =
    $(go.Link,
      { routing: go.Link.Orthogonal, corner: 5 },
      $(go.Shape,
        { stroke: 'gray', strokeWidth: 1.5 })
    );

  // define the Group template to be fairly simple
  myDiagram.groupTemplate =
    $(go.Group, 'Auto',
      {
        layout: $(ParallelLayout, { layerSpacing: 20, nodeSpacing: 10 })
      },
      $(go.Shape, { fill: 'transparent', stroke: 'darkgoldenrod' }),
      $(go.Placeholder, { padding: 10 }),
      $('SubGraphExpanderButton', { alignment: go.Spot.TopLeft })
    );

  myDiagram.model = new go.GraphLinksModel([
    { key: -1, isGroup: true },
    { key: -2, isGroup: true },
    { key: -3, isGroup: true },

    { key: 1, text: 'S', category: 'Split', group: -1 },
    { key: 2, text: 'C', group: -1 },
    { key: 3, text: 'Longer Node', group: -1 },
    { key: 4, text: 'A', group: -1 },
    { key: 5, text: 'B\nB', group: -1 },
    { key: 6, text: 'Another', group: -1 },
    { key: 9, text: 'J', category: 'Merge', group: -1 },
    { key: 11, text: 'T', category: 'Split', group: -2 },
    { key: 12, text: 'C', group: -2 },
    { key: 13, text: 'Here', group: -2 },
    { key: 14, text: 'D', group: -2 },
    { key: 15, text: 'Everywhere', group: -2 },
    { key: 16, text: 'EEEEE', group: -2 },
    { key: 19, text: 'K', category: 'Merge', group: -2 },
    { key: 21, text: 'U', category: 'Split', group: -3 },
    { key: 22, text: 'F', group: -3 },
    { key: 23, text: 'Medium\nTall\nNode', group: -3 },
    { key: 24, text: 'G', group: -3 },
    { key: 25, text: 'AS', group: -3 },
    { key: 26, text: 'H\nHH\nHHH', group: -3 },
    { key: 27, text: 'I', group: -3 },
    { key: 29, text: 'L', category: 'Merge', group: -3 },
    { key: 101, text: '0', category: 'Split' },
    { key: 107, text: 'ABCDEFG' },
    { key: 109, text: '*', category: 'Merge' }
  ],
  [
    { from: 1, to: 2 },
    { from: 2, to: 3 },
    { from: 3, to: 4 },
    { from: 4, to: 9 },
    { from: 1, to: 5 },
    { from: 5, to: 6 },
    { from: 6, to: 9 },
    { from: 9, to: 11 },
    { from: 9, to: 21 },
    { from: 11, to: 12 },
    { from: 12, to: 13 },
    { from: 13, to: 14 },
    { from: 14, to: 19 },
    { from: 11, to: 15 },
    { from: 15, to: 16 },
    { from: 16, to: 19 },
    { from: 21, to: 22 },
    { from: 22, to: 24 },
    { from: 24, to: 26 },
    { from: 23, to: 29 },
    { from: 21, to: 25 },
    { from: 25, to: 23 },
    { from: 21, to: 27 },
    { from: 26, to: 29 },
    { from: 27, to: 29 },
    { from: 101, to: 1 },
    { from: 19, to: 109 },
    { from: 29, to: 107 },
    { from: 107, to: 109 }
  ]);
}
